[INFO] fetching crate zernio 0.0.177...
[INFO] testing zernio-0.0.177 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate zernio 0.0.177 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate zernio 0.0.177
[INFO] finished tweaking crates.io crate zernio 0.0.177
[INFO] tweaked toml for crates.io crate zernio 0.0.177 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zernio 0.0.177 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zernio 0.0.177 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f21b7d4985acb57b7ed25844462d64db216ea9161756a801fa557027ddf03e8
[INFO] running `Command { std: "docker" "start" "-a" "2f21b7d4985acb57b7ed25844462d64db216ea9161756a801fa557027ddf03e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f21b7d4985acb57b7ed25844462d64db216ea9161756a801fa557027ddf03e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f21b7d4985acb57b7ed25844462d64db216ea9161756a801fa557027ddf03e8", kill_on_drop: false }`
[INFO] [stdout] 2f21b7d4985acb57b7ed25844462d64db216ea9161756a801fa557027ddf03e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca811d09c4468b5431e6193db5502095c97fbbeeced85aaa5a6c2a09cb2b8973
[INFO] running `Command { std: "docker" "start" "-a" "ca811d09c4468b5431e6193db5502095c97fbbeeced85aaa5a6c2a09cb2b8973", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling litemap v0.8.2
[INFO] [stderr]    Compiling writeable v0.6.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling zeroize v1.8.2
[INFO] [stderr]    Compiling icu_properties_data v2.2.0
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.2.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling rustls v0.23.39
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling ipnet v2.12.0
[INFO] [stderr]    Compiling iri-string v0.7.12
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling webpki-roots v1.0.7
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling zerofrom v0.1.7
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]    Compiling tinystr v0.8.3
[INFO] [stderr]    Compiling potential_utf v0.1.5
[INFO] [stderr]    Compiling icu_locale_core v2.2.0
[INFO] [stderr]    Compiling icu_collections v2.2.0
[INFO] [stderr]    Compiling rustls-webpki v0.103.13
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling hyper v1.9.0
[INFO] [stderr]    Compiling tower v0.5.3
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling icu_provider v2.2.0
[INFO] [stderr]    Compiling icu_normalizer v2.2.0
[INFO] [stderr]    Compiling icu_properties v2.2.0
[INFO] [stderr]    Compiling tower-http v0.6.8
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling hyper-util v0.1.20
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tokio-rustls v0.26.4
[INFO] [stderr]    Compiling hyper-rustls v0.27.9
[INFO] [stderr]    Compiling reqwest v0.12.28
[INFO] [stderr]    Compiling zernio v0.0.177 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `zernio` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name zernio --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="rustls-tls"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "native-tls", "rustls-tls"))' -C metadata=508fbd05ffc6097c -C extra-filename=-1d3f0d87a14fb14f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-d613976adfa4fccb.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2399b5d96535caf6.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-b0c4678edd0e6349.rmeta --extern serde_repr=/opt/rustwide/target/debug/deps/libserde_repr-30123d01c0ec33c6.so --extern tokio=/opt/rustwide/target/debug/deps/libtokio-fcc643ecc40241b4.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-5ea721e8c80e5539.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-0cd81effd41f4b2b.rmeta --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-5de359fe9ed20bcd/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ca811d09c4468b5431e6193db5502095c97fbbeeced85aaa5a6c2a09cb2b8973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca811d09c4468b5431e6193db5502095c97fbbeeced85aaa5a6c2a09cb2b8973", kill_on_drop: false }`
[INFO] [stdout] ca811d09c4468b5431e6193db5502095c97fbbeeced85aaa5a6c2a09cb2b8973
